When the Reflection Method is set to Screen Space and Lumen reflections async compute is enabled Unreal will crash because DiffuseIndirect_Lumen_3 parameter missing, due to how DenoiserOutputs are o ...
Context A crash can be induced with running Unreal Engine with DirectX11, a AMD GPU and running -renderoffscreen flag, and the main window is resized. This issue was first observed with the PixelStre ...
[Image Removed] The Clay material is quite useful when the user needs to manipulate objects that originally has transparent materials, so not being able to use this feature on faces mode feels li ...
In UE 5.5, the Editor may crash in FHLSLMaterialTranslator::GetMaterialEnvironment when loading materials with Material Parameter Collections, likely due to async loading. Calling ParameterCollectio ...
Deferred desktop renderer does not function correctly on visionOS. It did work in 5.4. One problem is the r.XRMSAAMode setting forcing 4 samples even when not using msaa, but there are other probl ...
When you create a GeometryCollectionActor by dragging a GeometryCollectionAsset from the ContentBrowser into the scene, instead of using the PhysicsMaterial defined in the GeometryCollectionAsset, i ...
Physics Constraint Component has lost accuracy between Unreal versions 5.2 and 5.4 (and up). When measuring the exact distance between rigid bodies constrained by a Physics Constraint Component, the ...
Setting the Audio Mixer Sample Rate to 32000kHz causes underrun spam in audio bus reader and writer nodes and sounds to playback jittery. Tested with 24kHz and 32kHz. Does not repro in //Fortnite/R ...
When Calling UBlueprintMapLibrary::GenericMap_Find with a non-existent key, the function construct the default structure in-place on the given pointer without destroying the object. This behavior ca ...
When using materials with CustomData inputs, such as the Eye material with Iris Distance and Mask, Virtual Texture samples will increase the instruction count for each unique VTPageResult. Each cus ...